The Marketing Scales website is a gold mine of information. It is the only source that helps me understand the psychometric quality of the instruments used in past research. I recommend that researchers bookmark this site . . . they will be back!
knowledge
This five-item, seven-point scale is used to measure various aspects (knowledge, use, importance) of a consumer's involvement with several product categories.
The scale is composed of four, seven-point Likert-type items that measure a consumer's perceived knowledge of brands in a specified product category as well as the confidence to make purchase decisions and give advice to others about the product class.
A three-item, seven-point Likert-type scale is used to measure a consumer's familiarity with and interest in a specified food product category. Cole and Balasubramanian (1993) studied breakfast cereal.
The seven-item, seven-point scale assesses a person's understanding of cars, with particular emphasis on having familiarity with the purchase process.
A three-item, seven-point Likert-type scale is used to measure the degree to which a person would feel in control in a particular setting and be able to influence outcomes.
A three-item, seven-point scale is used to assess the ease of using a computer to perform some task that a person reports experiencing.
A three-item, eleven-point scale is used to provide an idea about the certainty with which a consumer perceives he/she has been able to accurately reflect his/her evaluation of a brand.
This three-item, seven-point scale is intended to measure the certainty with which a consumer perceives he/she has been able to reflect his/her evaluation of a soft drink accurately.
This four-item, seven-point scale is used to measure the degree to which people say they are confident in their ability to understand and use specified nutritional information on food packaging.
The scale measures the degree to which a person believes that a website enables the user to know where he/she is, go where he/she wants to go, and do what he/she wants to accomplish at the site.
